Manufacture of thread



Aprfifl 23, 19351.,

P. E. HARRISON MANUFACTURE OF THREAD Filed Oct. 15, 1932 2Sheeqs-Sheet 1 A RNEY.

P. E. HARRISON 1,999,048

MANUFACTURE OF THREAD Filed Oct. 13, 1932 2 Sheets-Sheet 2 H j. W 103 a I 6) Z 6 INVENTOR.

Patented Apr. 23, 1935 MANUFACTURE OF THREAD Application October 13,

6 Claims.

This invention relates tothe manufacture of thread. The invention also relates to hollow spindle motors. More particularly the invention relates to the manufacture oiregenerated cellulose thread by the bucket process and will be described in its relation to that process, although it is equally applicable to any process wherein thread is gathered or treated in a revolving bucket.

In the manufacture of rayon by the bucket process the prior art discloses the projection of a viscose solution through fine orifices into a setting bath, the withdrawal of the thread from the bath by a wheel, which in the industry is called a godet wheel, the passing of the thread. through a funnel into a bucket revolving at high speed, and the reciprocation of the funnel to lay the thread against the wall of the bucket, or against the other layers of thread, in the form of superimposed helices. So far as I know, in the prior art the spinning machines have involved thread guides suspended over the tops of the buckets on a framework which is moved up and down by mechanical. linkages and gearing. Those ap paratus have been in the way, have caused theloss of considerable time in dofling. cakes since these-mechanisms must be moved before the cake can be taken from the. bucket. and since they must be replaced before the. threads can again be introduced into the bucket, have been cumbersome, expensive of? power, without ability to operate satisfactorily at high speed; and. expensive of funnel guides. Attempts have been made to improve these bucket spinning. and

, bucket cake treating machines of the'prior art,

but without considerable success.

It is an object. of this invention to provide a means and method, of making thread. Another object, of thisinventionis to; provide a new means and method of spinning and treating bucket cakes. Another object of the invention is to provide a newmachine which has a variety of uses. Other objects of the invention will be in part apparent and in part set forth elsewhere herein.

These objects are accomplished, generally speaking, by bringing the rayon into the spinning bucket through the bottom thereof, by the use of a hollow armatured motor, and by the means, method, and details of construction herein set forth and claimed.

In the drawings, Figure 1 is an elevational view, partly in section, of a preferred embodiment of my invention; Figure 2 is an elevational view, partly in section, of a modified form of 1932, Serial No. 637,604

(or. 1s-s) my invention; Figure 3 shows a hose connection for attachment. to element d2 or iii through which liquids may be introduced into the interior of the bucket for the purpose of washing or treating a completed bucket cake.

In Figure 1, it indicates a candle filter through which a viscose solution is passed before regeneration; i 5 indicates the spinnerette through the fine orifices of which the viscose solution is passed into the setting bath; 52 indicates the tank containing the setting bath; it indicates a lining of lead or of other suitable material-capable of resisting the corrosive action of the fluids of the setting bath; indicates the thread; if: indicates a godet wheel over which the thread is passed two or three times before being fed to the reciprocating mechanism and the bucket; it V indicates a shaft on which the godet wheel is mounted; 29 is an electric motor of any satisfactory electrical type having an armature, not shown; EE is the core of the armature which is made hollow; 2M is an extension on the end of armature core M; St is a bucket mounted on the extension 2M; it! is a rack; 51- is a support on said rack; 42 is a means for holding a funnel mounted support t l; it is a guardof bakelite or other material designed to protect the stem of the funnel; M is a funnel for reciprocating the thread in the bucket; G5 is a gear segment in mesh with rack til; it is a reciprocableshaft upon which-thegear segment ismounted; 50 and M- are drain pipes for collecting the drip from the godet wheel and the fluid ejected by the revolving bucket, respectively.

The operation of my invention is as follows:

A viscose solution isextruded from the spinnerette i i intoa setting bath; is withdrawn from the setting bath, and passed around the' goblet wheel 55. By the assistance of a blast of air or of a stream of water the operator forces the end of thefthrcad leaving the gasket wheel into funnel. M and through it into the revolving bucket. The funnel fit passes through the hollow armature of the motor and is protected against breakage by the guard it which also passes into the hollow armature of the motor without touching it. As the bucket revolves the thread is drawn into the bucket at a rate controlled by the godet wheel. The shaft it reciprocates the gear 15, which in turn reciprocates the rack ill and the reciprocating funnel it. As the funnel 414 reciprocates, the thread is laid helically in the bucket and builds up into a hollow cake whose height is controlled by the range of the funnels reciprocation. Any

is a bearing in the bucket well;

suitable type of bucket cover may be used if a bucket cover is desired.

In Figure 2 is shown a modified. form of the invention. In this figure, lilii is a bucket well; ill! W2 is a plate mounted for rotation on said bearing; W3 is a bucket fitting plate m2 and resting thereon; 94 is a bearing in the bottom of the bucket; E E5 is a safety cover placed over the bucket chamber; H9 is a reciprocating bar; iii is a support depending from said bar; H2 is an electric motor attached to said support 5 H; H3 is the hollow core of the armature of said motor which is splined to the bearing H34 of the bucket so that the core H3, as it rotates, will rotate the bucket but will be capable of sliding movement relative thereto; H6 is an adjustable funnel holder; l i5 is a funnel held thereby and passing through the hollow core of the motor armature into the bucket; 353 is an adjustable nut in the safety cover 65 designed to prevent the bucket 233 from lifting out of position on plate E62 during the rere'ciprocation of the core H3.

The mechanism described in Figure 2 operates as follows:

A reciprocating mechanism, not shown, which may be of prior art type, moves the motor and the funnel to and fro axially of the bucket. As the motor armature revolves, it revolves the -bucket regardless of the position of the motor with respect to the bucket because of the spline which permits this relative movement. After the spinning has been completed, the motor is stopped, the sleeve i It? is withdrawn from the bucket head and from the cover lta'i by lifting the member N9, the cover M35 is then moved out of the way, the bucket is taken out of the bucket well, the cake is doifed, and the bucket is returned to place for further service. If it is desired the end of the armature core opposite the bucket can be extended and counterweighted to balance the weight of the bucket.

In the functioning of the form of the invention shown in Figure 1, a number of machines will be mounted side by side, their godet wheels and reciprocating gear sectors being mounted on a shaft extending the length of the set-up. The drainage from all machines will pass to a single pipe and to a common reservoir.

My invention eliminates the complicated and cumbersome reciprocating mechanisms heretofore used in spinning machines. It reduces the power requirements needed for the operation of the reciprocation mechanism. It makes the removal of a bucket during the doffing of the cake unnecessary when the form of the invention shown in Figure 1 is used. It saves space and makes it possible to mount spinning machines in tiers. Other advantages of the invention areapparent.

As many apparently widely difierent embodi ments of this invention may be made without departing from the spirit and scope thereof, it is to be understood that I do not limit myself to the specific embodiments thereof except as defined in the appended claims.

I claim:

1. In a machine for making thread, an electric motor provided with a revolvable armature having a hollow core, an extension on said core, a. bucket fixed to saidextension, a reciprocable pinion, a rack in mesh therewith, a support on said rack, a traversing funnel adjustably carried by said support extending through said hollow core into the bucket, means for feeding thread to said traversing funnel, means for reciprocating the rack and pinion, means for collecting liquid thrown out bythe bucket, and means for collecting liquid'dropped by said feeding means.

2. In a machine for making thread, an electric motor provided with a revolvable armature having a hollow core, an extension on said core, a bucket fixed to said extension, a reciprocable pinion, a rack in mesh therewith, a support on said rack, a traversingfunnel adjustably carried by said support extending through said hollow core into the bucket, means for feeding thread to said traversing funnel, and means for reciprocating the rack and funnel.

3. In a machine for-making thread, an electric motor provided with a revolvable armature having a hollow core, an extension on said core, a

bucket fixed to said extension, a reciprocable rack, a support'on said rack, a traversing funnel adjustably carried by said support extending through said hollow core into the bucket, means for feeding thread to said traversing funnel, and means for reciprocating the rack.

4. In a machine for making thread, an electric motor provided with an armature having a hollow core, an extension on said core, a bucket fixed to said extension, a reciprocable support, a traversing funnel adjustably carried by said support extending through said hollow core into the bucket, means for feeding thread to said traversing funnel, and means for reciprocating the support. 7

5. In a machine for making thread, an electric motor provided with an armature having a hollow core, an extension on said core, a bucket fixed to said extension, a reciprocable traversing funnel extending through said hollow core into the bucket, means for feeding thread to said travers-' ing funneLand means for reciprocating the traversing funnel.

6. In a machine for making thread, a motor provided with a hollow core, an extension on said core, a bucket fixed to said extension, a reciprocable traversing funnel extending through said hollow core into the bucket, means for' feeding thread to said traversing funnel, and means for reciprocating the; traversing funnel.

PAUL EDWARD HARRISON. 

